Understanding Large-scale Dynamos In Unstratified Rotating Shear Flows
We combine simulations with new analyses that overcome earlier pitfalls to explicate how nonhelical imply-area dynamos grow and saturate in unstratified, magnetorotationally driven turbulence. Shear of the imply radial magnetic area amplifies the azimuthal component. Radial fields are regenerated by velocity fluctuations that induce shear of radial magnetic fluctuations, followed by Lorentz and Coriolis forces […]
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